{
  "schema_version": "candidate_pool_coverage_review_v1",
  "status": "ACTION_REQUIRED",
  "trigger": {
    "candidate_pool_up_ratio": 0.125,
    "market_up_ratio": 0.5283,
    "divergence_pct_points": -40.3,
    "source": "verified_full_market_breadth",
    "state": "candidate_pool_coverage_miss",
    "alert_kind": "selection_coverage",
    "alert": true,
    "selection_review_required": true,
    "recommended_total_position_cap_pct": null,
    "action": "候选池显著弱于全市场；立即复核主线覆盖、候选池更新和盘中新主线晋级，不得把候选池偏弱误写成全市场偏弱，也不得因此自动放宽仓位。"
  },
  "candidate_theme_count": 5,
  "candidate_theme_summary": [
    {
      "theme": "半导体链 / PCB概念",
      "signal_count": 4,
      "active_count": 4,
      "average_return_pct": 1.0677,
      "priced_signal_count": 4
    },
    {
      "theme": "元件",
      "signal_count": 4,
      "active_count": 1,
      "average_return_pct": 4.6309,
      "priced_signal_count": 4
    },
    {
      "theme": "黄河三角",
      "signal_count": 8,
      "active_count": 0,
      "average_return_pct": -1.0285,
      "priced_signal_count": 8
    },
    {
      "theme": "AI算力链 / 共封装光学(CPO)",
      "signal_count": 4,
      "active_count": 0,
      "average_return_pct": 1.2386,
      "priced_signal_count": 4
    },
    {
      "theme": "共封装光学(CPO) / 半导体链 / PCB概念",
      "signal_count": 4,
      "active_count": 0,
      "average_return_pct": 1.3901,
      "priced_signal_count": 4
    }
  ],
  "execution_boundary": {
    "research_only": true,
    "can_create_orders": false,
    "can_change_same_day_permission": false,
    "can_change_same_day_whitelist": false,
    "can_change_position_cap": false,
    "rule": "覆盖缺口只触发下一交易日研究与盘前计划更新；当日仍由既有 Strict Gate、外部冲击和风险规则决定。"
  },
  "research_queue": [
    {
      "step": "same_day_mainline_scan",
      "status": "PENDING",
      "action": "用同交易日全市场广度、板块强度和题材催化扫描候选池之外的强势方向；没有可验证板块来源时明确标记不可用。"
    },
    {
      "step": "source_crosscheck",
      "status": "SOURCE_UNAVAILABLE",
      "action": "交叉核验开盘啦板块强度/区间统计；缺失不判空头，也不能作为新增候选或买入依据。"
    },
    {
      "step": "next_session_plan_refresh",
      "status": "PENDING",
      "action": "将通过验证的方向仅写入下一交易日观察与盘前计划，逐标的仍须经过风险旗标、流动性、VWAP 和 Strict Gate。"
    }
  ]
}